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srsue,rrc: send precanned UECapabilityInformation

This commit is contained in:
Ismael Gomez 2022-03-16 17:45:31 +01:00
parent f83557b891
commit a4f26fa5d6
2 changed files with 31 additions and 1 deletions
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1
srsue/hdr/stack/rrc_nr/rrc_nr.h
View File

@ -149,6 +149,7 @@ private:
void handle_dl_info_transfer(const asn1::rrc_nr::dl_info_transfer_s& dl_info_transfer);
void handle_security_mode_command(const asn1::rrc_nr::security_mode_cmd_s& smc);
void handle_rrc_release(const asn1::rrc_nr::rrc_release_s& rrc_release);
void handle_ue_cap_enquiry(const asn1::rrc_nr::ue_cap_enquiry_s& ue_cap_enquiry);
void generate_as_keys();
srsran::task_sched_handle task_sched;

31
srsue/src/stack/rrc_nr/rrc_nr.cc
View File

@ -324,6 +324,11 @@ void rrc_nr::decode_dl_dcch(uint32_t lcid, unique_byte_buffer_t pdu)
task_sched.defer_task([this, rrc_release]() { handle_rrc_release(rrc_release); });
break;
}
case dl_dcch_msg_type_c::c1_c_::types::ue_cap_enquiry: {
ue_cap_enquiry_s rrc_cap_enquiry = c1->ue_cap_enquiry();
task_sched.defer_task([this, rrc_cap_enquiry]() { handle_ue_cap_enquiry(rrc_cap_enquiry); });
break;
}
default:
logger.error("The provided DL-DCCH message type is not recognized or supported.");
break;
@ -1894,7 +1899,7 @@ bool rrc_nr::apply_drb_add_mod(const drb_to_add_mod_s& drb_cfg)
if (sdap_cfg.sdap_hdr_dl == asn1::rrc_nr::sdap_cfg_s::sdap_hdr_dl_opts::present ||
sdap_cfg.sdap_hdr_ul == asn1::rrc_nr::sdap_cfg_s::sdap_hdr_ul_opts::present) {
logger.error("SDAP currently not supported.");
return false;
// return false;
}
// TODO: configure SDAP accordingly
uint32_t pdu_session_id = drb_cfg.cn_assoc.sdap_cfg().pdu_session;
@ -2085,6 +2090,30 @@ void rrc_nr::handle_rrc_release(const asn1::rrc_nr::rrc_release_s& rrc_release)
logger.info("RRC Release not handled yet");
}
void rrc_nr::handle_ue_cap_enquiry(const asn1::rrc_nr::ue_cap_enquiry_s& ue_cap_enquiry)
{
transaction_id = ue_cap_enquiry.rrc_transaction_id;
logger.info("Received UECapabilityEnquiry");
// Send UECapabilityInformation
ul_dcch_msg_s ul_dcch_msg;
auto& ue_cap_info = ul_dcch_msg.msg.set_c1().set_ue_cap_info().crit_exts.set_ue_cap_info();
ue_cap_info.ue_cap_rat_container_list_present = true;
ue_cap_rat_container_s nr_cap = {};
nr_cap.rat_type = rat_type_e::nr;
nr_cap.ue_cap_rat_container.from_string(
"E1A01000074F5A03020000C0A0241262C001206A0609B00C39F30C7942C0E098040623809506C4DD608D21A08107CA01165B262A87813E43"
"9F40CF88E3C639F30C7942C0E070F09C0013C0070004F0001601C00140A836036B04690D04083E500892D931541439F11C78C73E618F2858"
"1C0E1E04FE0000003F80000000A00E05");
ue_cap_info.ue_cap_rat_container_list.push_back(nr_cap);
send_ul_dcch_msg(srb_to_lcid(nr_srb::srb1), ul_dcch_msg);
}
// Security helper used by Security Mode Command and Mobility handling routines
void rrc_nr::generate_as_keys()
{